Stewart platform
Videos
A Stewart platform is a type of parallel manipulator that has six prismatic actuators, commonly hydraulic jacks or electric linear actuators, attached in pairs to three positions on the platform's bas
The AMiBA radio telescope, a cosmic microwave background experiment, is mounted on a 6 m (20 ft) carbon fibre hexapod.
Two hexapod positioners
A Stewart platform in use by Lufthansa
Eric Gough's Tire Testing Machine, which is a Stewart platform with large jacks
Universal joint
Videos
A universal joint is a joint or coupling connecting rigid shafts whose axes are inclined to each other. It is commonly used in shafts that transmit rotary motion. It consists of a pair of hinges locat
Stewart platform
…attached in pairs to three positions on the platform's baseplate, crossing over to three mounting points on a top plate. All 12 connections are made via universal joints. Devices placed on the top plate can be moved in the six degrees of freedom in which it is possible for a freely-suspended body to move: three linear…
Universal joints in a driveshaft